Pharmacy waste water contains many substance, such as: saccharides, alkaloid, cellulose, organic pigments and so on. Additionally, it has lots of dregs and the temperature is higher. Especially for the wastewater of chemical pharmacy, not only the elements are complicated, but also might contains some organic solvent. For example, while antibiotics producing, every ton antibiotics will consume about ten thousand water. Here 90% is cooling water, and 5% is polluted wastewater, which has very high COD, BOD value.